Effects of Switching from Conventional Cigarettes to Combustion-Free Nicotine Delivery Systems (C-FNDS) on Salivary TNF-α Levels and Gingival Conditions, A Randomized Controlled Trial. AJMPM [Internet]. 2025 Jul. 30 [cited 2026 Feb. 28];2(2):54-63. Available from: https://journal.kedokteranunhan.net/index.php/ajmpm/article/view/33